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Subject: Re: gup_test.c:1:10: fatal error: fcntl.h: No such file or directory
To:     kernel test robot <lkp@intel.com>
CC:     "kbuild-all@lists.01.org" <kbuild-all@lists.01.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linux Memory Management List <linux-mm@kvack.org>
References: <202107281223.L61SLDL2-lkp@intel.com>
From:   John Hubbard <jhubbard@nvidia.com>
Message-ID: <6af32770-1825-ff9a-ccf2-46600ed6fc7e@nvidia.com>
Date:   Tue, 27 Jul 2021 22:24:36 -0700
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On 7/27/21 9:59 PM, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   7d549995d4e0d99b68e8a7793a0d23da6fc40fe8
> commit: 9c84f229268fa229e250b7225611d0eb7094fea0 mm/gup_benchmark: rename to mm/gup_test
> date:   7 months ago
> config: openrisc-randconfig-s031-20210726 (attached as .config)
> compiler: or1k-linux-gcc (GCC) 10.3.0
> reproduce:
>          wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>          chmod +x ~/bin/make.cross
>          # apt-get install sparse
>          # sparse version: v0.6.3-341-g8af24329-dirty
>          # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9c84f229268fa229e250b7225611d0eb7094fea0
>          git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>          git fetch --no-tags linus master
>          git checkout 9c84f229268fa229e250b7225611d0eb7094fea0
>          # save the attached .config to linux build tree
>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=openrisc SHELL=/bin/bash -C tools/testing/selftests/vm install
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> 
> All errors (new ones prefixed by >>):
> 
>>> gup_test.c:1:10: fatal error: fcntl.h: No such file or directory
>         1 | #include <fcntl.h>
>           |          ^~~~~~~~~
>     compilation terminated.
> 

I reproduced this via the above steps, and noticed that there are missing
header files for most (all?) of the vm tests, not just gup_test.c. And
not just fcntl.h, either. The error list continue as follows (below).

This seems like a new toolchain issue, right?


gup_test.c:1:10: fatal error: fcntl.h: No such file or directory
1 | #include <fcntl.h>
|          ^~~~~~~~~
compilation terminated.
compaction_test.c:10:10: fatal error: stdio.h: No such file or directory
10 | #include <stdio.h>
|          ^~~~~~~~~
In file included from hmm-tests.c:13:
../kselftest_harness.h:56:10: fatal error: asm/types.h: No such file or directory
56 | #include <asm/types.h>
|          ^~~~~~~~~~~~~
hugepage-shm.c:31:10: fatal error: stdlib.h: No such file or directory
31 | #include <stdlib.h>
|          ^~~~~~~~~~
make: *** [../lib.mk:139: /kernel_work/linux-github/tools/testing/selftests/vm/gup_test] Error 1
compilation terminated.
compilation terminated.
compilation terminated.
hugepage-mmap.c:20:10: fatal error: stdlib.h: No such file or directory
20 | #include <stdlib.h>
|          ^~~~~~~~~~
map_hugetlb.c:13:10: fatal error: stdlib.h: No such file or directory
13 | #include <stdlib.h>
|          ^~~~~~~~~~
compilation terminated.
compilation terminated.
on-fault-limit.c:2:10: fatal error: sys/mman.h: No such file or directory
2 | #include <sys/mman.h>
|          ^~~~~~~~~~~~
transhuge-stress.c:9:10: fatal error: stdlib.h: No such file or directory
9 | #include <stdlib.h>
|          ^~~~~~~~~~
map_fixed_noreplace.c:10:10: fatal error: sys/mman.h: No such file or directory
10 | #include <sys/mman.h>
|          ^~~~~~~~~~~~
mlock2-tests.c:3:10: fatal error: sys/mman.h: No such file or directory
3 | #include <sys/mman.h>
|          ^~~~~~~~~~~~
compilation terminated.
compilation terminated.
compilation terminated.
compilation terminated.
mremap_dontunmap.c:9:10: fatal error: sys/mman.h: No such file or directory
9 | #include <sys/mman.h>
|          ^~~~~~~~~~~~
compilation terminated.
va_128TBswitch.c:8:10: fatal error: stdio.h: No such file or directory
8 | #include <stdio.h>
|          ^~~~~~~~~
compilation terminated.
make: *** [../lib.mk:139: /kernel_work/linux-github/tools/testing/selftests/vm/hmm-tests] Error 1
make: *** [../lib.mk:139: /kernel_work/linux-github/tools/testing/selftests/vm/hugepage-shm] Error 1
map_populate.c:9:10: fatal error: errno.h: No such file or directory
9 | #include <errno.h>
|          ^~~~~~~~~
compilation terminated.
make: *** [../lib.mk:139: /kernel_work/linux-github/tools/testing/selftests/vm/compaction_test] Error 1
make: *** [../lib.mk:139: /kernel_work/linux-github/tools/testing/selftests/vm/hugepage-mmap] Error 1
mlock-random-test.c:6:10: fatal error: unistd.h: No such file or directory
6 | #include <unistd.h>
|          ^~~~~~~~~~
compilation terminated.
make: *** [../lib.mk:139: /kernel_work/linux-github/tools/testing/selftests/vm/map_hugetlb] Error 1
khugepaged.c:2:10: fatal error: fcntl.h: No such file or directory
2 | #include <fcntl.h>
|          ^~~~~~~~~
compilation terminated.
make: *** [../lib.mk:139: /kernel_work/linux-github/tools/testing/selftests/vm/on-fault-limit] Error 1
make: *** [../lib.mk:139: /kernel_work/linux-github/tools/testing/selftests/vm/mlock2-tests] Error 1
make: *** [../lib.mk:139: /kernel_work/linux-github/tools/testing/selftests/vm/transhuge-stress] Error 1
make: *** [../lib.mk:139: /kernel_work/linux-github/tools/testing/selftests/vm/map_fixed_noreplace] 
Error 1
make: *** [../lib.mk:139: /kernel_work/linux-github/tools/testing/selftests/vm/mremap_dontunmap] Error 1
make: *** [../lib.mk:139: /kernel_work/linux-github/tools/testing/selftests/vm/va_128TBswitch] Error 1
make: *** [../lib.mk:139: /kernel_work/linux-github/tools/testing/selftests/vm/map_populate] Error 1
thuge-gen.c:16:10: fatal error: sys/mman.h: No such file or directory
16 | #include <sys/mman.h>
|          ^~~~~~~~~~~~
compilation terminated.
make: *** [../lib.mk:139: /kernel_work/linux-github/tools/testing/selftests/vm/khugepaged] Error 1
make: *** [../lib.mk:139: /kernel_work/linux-github/tools/testing/selftests/vm/mlock-random-test] 
Error 1
userfaultfd.c:38:10: fatal error: stdio.h: No such file or directory
38 | #include <stdio.h>
|          ^~~~~~~~~
compilation terminated.
write_to_hugetlbfs.c:7:10: fatal error: err.h: No such file or directory
7 | #include <err.h>
|          ^~~~~~~
compilation terminated.
virtual_address_range.c:8:10: fatal error: stdio.h: No such file or directory
8 | #include <stdio.h>
|          ^~~~~~~~~
compilation terminated.


thanks,
-- 
John Hubbard
NVIDIA